Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Geradeausflug-de#Sense
Volo rettilineo-it#Sense
Vol en ligne droite-fr#Sense
Ligeudflyvning-da#Sense
Suora lento-fi#Sense
Vuelo en línea recta-es#Sense
Rakflygning-sv#Sense
Straight flight-en#Sense